4-(Difluoromethyl)-3-methoxy-2-(trifluoromethyl)pyridine-5-acetonitrile
3-(Difluoromethyl)-4-methoxy-2-(trifluoromethyl)pyridine-5-acetonitrile
2-(Difluoromethyl)-5-methoxy-3-(trifluoromethyl)pyridine-4-acetonitrile
5-(Difluoromethyl)-2-methyl-3-nitropyridine-4-sulfonamide